| 1015 Construction | B | 2025 | Active |
| 180 Roofing Pros | B + C10, C39, C46 | 2014 | Active |
| 2 Brothers Construction Inc | B | 2023 | Active |
| 2 Minds Design Construction | B | 2026 | Active |
| 321 Plumbing Inc | A + C36 | 2012 | Active |
| 760 Framing Inc | B | 2026 | Active |
| A & R Building Solutions | B + C20 | 2022 | Active |
| A C P Construction & Sons Inc | B + C33, C36 | 2016 | Renew by Nov 30, 2026 |
| A E I Construction Engineer Consultants Inc | A | 2019 | Active |
| A E L Construction Inc | A, B | 1993 | Active |
| A&B General Contracting Inc | B | 2021 | Active |
| Accent Construction | A, B + C8, C10, C16 +3 | 2013 | Active |
| Advent Builders Inc | B | 2026 | Active |
| Aip Remodeling | B + C5, C6 | 2002 | Active |
| Alegria Builders Inc | B | 2018 | Active |
| Alessi Builders Inc | B | 1995 | Active |
| Alive Industries Inc | B + C10 | 2013 | Active |
| All Time Fence Company Inc | B + C13 | 2002 | Active |
| Alliance Diversified Enterprises Inc | A, B + HAZ | 2013 | Active |
| Amazing Custom Construction Inc | B | 2022 | Active |
| American Concrete | A + C8 | 2003 | Active |
| American Concrete Cutting & Coring Inc | B + D06 | 1997 | Active |
| Americonstruction Inc | B | 1998 | Active |
| Ancora Construction LLC | B | 2019 | Active |
| Antonacci Domenic A Enterprises Incorporated | B | 2000 | Active |
| Apartment Company Group Construction LLC | B | 2025 | Active |
| Apexx Construction Inc | B | 2022 | Active |
| Arcstone Builders Inc | B | 2017 | Active |
| Arria Services | B + C10 | 2019 | Active |
| Arrow Remodeling | B | 2024 | Active |
| Arrowhead Construction Services | B | 2026 | Active |
| Assured Building Services Inc | B | 2025 | Active |
| At The Junction Construction Inc | B + C10 | 2002 | Active |
| Atmosphere Construction And Design | B | 2008 | Active |
| Atticguard Construction | B | 2025 | Active |
| Atticshield | B + C2 | 2025 | Active |
| Aztec Building Operations Inc | B | 2010 | Active |
| B A M Solutions LLC | B | 2026 | Active |
| B B Concrete Construction Inc | B + C8 | 1976 | Active |
| B N C Builders Inc | B | 2019 | Active |
| Baker Electric | A, B + C7, C10, C46 | 1956 | Active |
| Balingit Builders Inc | B | 2023 | Active |
| Barker Brand Renovations LLC | B2 | 2025 | Active |
| Beach City Builders Inc | B | 2007 | Active |
| Beaver Framing | B + C5, C8 | 2016 | Renew by Oct 31, 2026 |
| Bei Civil Works Inc | A | 2021 | Active |
| Bernard R Construction Inc | B | 1989 | Active |
| Bespoke Remodelling Inc | B | 2007 | Active |
| Best Act | B + C10, C20, C36 | 2025 | Active |
| Best West Construction General Contractor Inc | B | 2014 | Active |
| Big Build Construction Inc | B | 2011 | Active |
| Bilbro Construction Company Inc | A, B + C8 | 2003 | Active |
| Bjornbear Remodeling LLC | B2 | 2025 | Active |
| Block 33 LLC | B + C33 | 2026 | Active |
| Blueprint Contracting | B | 2020 | Active |
| BNV Remodeling Inc | B | 2023 | Active |
| Booth Construction | B + C10, C20 | 2013 | Active |
| Bothof Brothers Construction | B | 1995 | Active |
| Bottom Up Construction Inc | B + C5 | 2022 | Active |
| Boulder Contracting Company | A | 2006 | Active |
| Boundless Development Group LLC | B | 2024 | Active |
| Bright Stone Construction Inc | B | 2025 | Active |
| Brighten Flooring Inc | B + C15 | 2012 | Renew by Oct 31, 2026 |
| Bro Design & Remolding Inc | B | 2017 | Active |
| Brown Brady Construction Inc | B + C32 | 2002 | Active |
| BSD Construction | B | 2026 | Active |
| Buildable | A, B | 2021 | Active |
| Buildingline Co | B | 2023 | Active |
| Busa Built | B | 2026 | Active |
| BVF Antelope Valley A Joint Venture | A | 2025 | Active |
| BW Premier Builders | B | 2026 | Active |
| C C L Contracting Inc | A | 2001 | Active |
| C87 Construction & Solar Inc | B + C39 | 2017 | Active |
| Ca Top Construction Inc | B | 2026 | Active |
| Cali-Quality Construction Builders Inc | B | 2024 | Active |
| Calpan General Contractor Inc | B | 2016 | Active |
| Camelot Development Group Incorporated | B | 2021 | Active |
| Capstone Construction Company LLC | A | 2009 | Active |
| Cavassa Homes LLC | B | 2008 | Active |
| Cedillo's Framing | B + C5 | 2006 | Active |
| Ceiling City Inc | B + C2 | 2009 | Active |
| CEO Home Builders Inc | B | 2000 | Active |
| Cerano Construction Company | B | 2009 | Active |
| Certified Concrete Inc | B + C8 | 2001 | Active |
| Charmeh LLC | A, B | 2023 | Active |
| Cicone Construction Co Inc | B | 1988 | Active |
| Ciro's Landscaping Inc | A + C27, C53 | 1988 | Active |
| Clark Jamie Electric Corp | B + C10 | 1981 | Active |
| Coastal Ridge Builders Inc | B | 2019 | Active |
| Cobalt Construction S D Inc | B + C10 | 1990 | Active |
| Cochran M S Electric Inc | B + C10 | 2000 | Active |
| Compass West | B + C33 | 2009 | Active |
| Concept Yt LLC | B + C36 | 2026 | Active |
| Construction Solutions | B | 1985 | Active |
| Cook Construction Inc | B | 1998 | Active |
| Cookson Enterprises Inc | A + C12, HAZ | 2008 | Active |
| Coombs Construction Engineering | A | 2016 | Active |
| Corleys Design/Build | B | 1991 | Active |
| Cosmar Construction LLC | B | 2019 | Active |
| Countertop Company Inc The | B + D12 | 2003 | Active |